angstrom — [aŋ′strəm] n. [after ÅNGSTRÖM Anders Jonas] one hundred millionth of a centimeter: a unit used in measuring the length of light waves: symbol, Å: also angstrom unit … English World dictionary

angstrom — / ångström (Abbr. Å.) Unit used to measure wavelengths of light, and equal to one ten billionth of a meter; named for Anders Ångström (1814–1874), Swedish physicist … Bryson’s dictionary for writers and editors